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Neutral color tuning of polymer electrochromic devices using an organic dye

Chemical Communications, ISSN: 1364-548X, Vol: 50, Issue: 60, Page: 8167-8170
2014
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Article Description

Herein, we present a facile, one-step method to color tune electrochromic devices (ECDs) that switch between two neutral colors via in situ electrochemical polymerization of electroactive monomers in the presence of a small molecule organic yellow dye using all commercially available materials. These devices exhibited photopic contrasts of ca. 30% without background correction when assembled on flexible PET-ITO substrates. In addition, devices exhibited switching speeds as low as 1 second, color uniformity, and stability. Large defect free ECDs of 100 cm were fabricated exceeding the active switch area required for goggles, lenses, and small display applications. © Partner Organisations 2014.

Bibliographic Details

Zhu, Yumin; Otley, Michael T; Kumar, Amrita; Li, Mengfang; Zhang, Xiaozheng; Asemota, Chris; Sotzing, Gregory A

Royal Society of Chemistry (RSC)

Materials Science; Chemical Engineering; Chemistry

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